Home / 85,521.24-118,018.74-47,283.36

Finding the Fourth Proportional to 85,521.24, 118,018.74 and 47,283.36

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Solution

The fourth proportional to 85,521.24, 118,018.74 and 47,283.36 is: 65,250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,521.24 : 118,018.74 = 47,283.36 : x
  2. Step 2: Convert to fraction form
    85,521.24/118,018.74 = 47,283.36/x
  3. Step 3: Cross multiply
    85,521.24x = 118,018.74 × 47,283.36
  4. Step 4: Simplify right side
    85,521.24x = 5,580,322,570.17
  5. Step 5: Solve for x
    x = 5,580,322,570.17/85,521.24
  6. Step 6: Final answer
    x = 65,250.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.